18261776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87797}}^1$

素因数の和:87818

約数の個数: 20

約数和(自身を含む): 38104332

約数和(自身を除く): 19842556

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87797, 175594, 351188, 702376, 1141361, 1404752, 2282722, 4565444, 9130888, 18261776]

約数ペア:

[(1, 18261776), (2, 9130888), (4, 4565444), (8, 2282722), (13, 1404752), (16, 1141361), (26, 702376), (52, 351188), (104, 175594), (208, 87797)]